BMW X4 Owner's Manual page 215

Overview
Button in the vehicle
HDC
Activating HDC
Press the button.
Speeds between approx. 2 mph/3 km/h
and approx. 20 mph/30 km/h are adopted as the
set speed.
Emergency braking function, Active PDC: the
emergency braking function is deactivated.
Additional information:
Emergency brake function, Active PDC, refer to
page 244.
Display in the instrument cluster
An icon and the selected desired
speed are displayed.
▷ Indicator green: HDC is active.
The system is actively braking
the vehicle.
▷ Gray display: HDC is on standby.
Display in the Head-up Display
The HDC status can also be displayed in the
Head-up Display.
Driving stability control systems
Online Edition for Part no. 01405A37CC6 - VI/21
Increasing or decreasing vehicle
speed
Using the cruise control rocker
switch
The set speed can be changed using the cruise
control rocker switch on the steering wheel.
▷ Press the rocker switch up: the speed in‐
creases gradually.
▷ Press the rocker switch up and hold: the
speed increases while the rocker switch is
pressed.
▷ Press the rocker switch down: the speed de‐
creases gradually.
▷ Press the rocker switch down and hold: the
speed decreases while the rocker switch is
pressed.
Using the brake pedal
While HDC is controlling the speed, the set
speed can be reduced by depressing the brake
pedal.
Deactivating HDC
Press the button again.
HDC is automatically deactivated above
approx. 25 mph/40 km/h.
Malfunction
If a malfunction occurs, a message is displayed in
the instrument cluster.
CONTROLS
215